164829473 has 4 divisors (see below), whose sum is σ = 166341780. Its totient is φ = 163317168.

The previous prime is 164829463. The next prime is 164829479. The reversal of 164829473 is 374928461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374928461 = 2713 ⋅138197.

It can be written as a sum of positive squares in 2 ways, for example, as 43983424 + 120846049 = 6632^2 + 10993^2 .

It is a cyclic number.

It is not a de Polignac number, because 164829473 - 2⁶ = 164829409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164829479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755990 + ... + 756207.

It is an arithmetic number, because the mean of its divisors is an integer number (41585445).

Almost surely, 2^164829473 is an apocalyptic number.

It is an amenable number.

164829473 is a deficient number, since it is larger than the sum of its proper divisors (1512307).

164829473 is a wasteful number, since it uses less digits than its factorization.

164829473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512306.

The product of its digits is 290304, while the sum is 44.

The square root of 164829473 is about 12838.5931082810. The cubic root of 164829473 is about 548.2916390807.

The spelling of 164829473 in words is "one hundred sixty-four million, eight hundred twenty-nine thousand, four hundred seventy-three".